Statisticsmedium · Past Paper
If three coins are tossed, what is the probability of getting at least 2 heads?
A1/2
B3/8
C1/4
D7/8
✓ Correct Answer: A — 1/2
Favorable: {HHH, HHT, HTH, THH}. Total = 4 outcomes. 4/8 = 1/2.
Share this question
More from Statistics
- In a symmetric distribution, Mean - Median = ?
- If the mean of $a, b$ is 10, and $b, c$ is 20, then $c-a$ is:
- Calculate the mode from the given frequency distribution table.
- Three coins are tossed. Find the probability of getting all heads or all tails.
- What is the probability of getting at least one head when a coin is tossed twice?